tree 5e81f5aab7789d48145c9cd76deb122103e3d448
parent 3dcaf4ac1613c027d03f602cdd5fe357fb67aea0
author John Stiles <johnstiles@google.com> 1642602364 -0500
committer SkCQ <skcq-be@skia-corp.google.com.iam.gserviceaccount.com> 1642613814 +0000

Prevent no-op statements in GLSL code generator.

This eliminates a handful of useless statements. They were harmless, but
presumably this saves optimization work for the GLSL compiler.

(Patterned after http://review.skia.org/496377 )

Change-Id: Ibe135750488a9917b982dcac67f22b3765412ee1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/496599
Auto-Submit: John Stiles <johnstiles@google.com>
Reviewed-by: Ethan Nicholas <ethannicholas@google.com>
Commit-Queue: John Stiles <johnstiles@google.com>